Estimating of Groundwater Recharge in North, Central, and South Basin of Erbil

Groundwater recharge is the most important element in water planning and management in Erbil basin. The rapid grow in population and development causes to increase their requirement to water demand and consumption. The most important steps in aquifer system is accurate estimation of groundwater rech...

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Main Authors: Mustafa Jwan Sabah, Mawlood Dana Khider
Format: Article
Language:English
Published: Sciendo 2023-03-01
Series:Modelling in Civil Environmental Engineering
Subjects:
Online Access:https://doi.org/10.2478/mmce-2023-0002
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author Mustafa Jwan Sabah
Mawlood Dana Khider
author_facet Mustafa Jwan Sabah
Mawlood Dana Khider
author_sort Mustafa Jwan Sabah
collection DOAJ
description Groundwater recharge is the most important element in water planning and management in Erbil basin. The rapid grow in population and development causes to increase their requirement to water demand and consumption. The most important steps in aquifer system is accurate estimation of groundwater recharge. There are many approaches to estimate the recharge. In this study, it is focused on water level method then compare with calculated recharge by empirical equations. The method provides a point value of the recharge calculated from the water level rise in a well multiplied by the specific yield (Sy) of the aquifer. Based on the assumptions that the water-level rise is caused by recharge arriving at the groundwater table (GWT), and also assume that the Sy is constant. The main aim of this study is to estimate the amount of change in groundwater levels over time and the recharge calculation for the study area. The study concluded that the change in groundwater levels between years (2021-2022) is (-0.09, -7.74 and -17.42) m for the Kapran, central and Bashtepa sub-basins respectively. Similarly, the difference between water levels in (2004-2022) are (-32.72, -50.87 and -54.58) m for the same mentioned sub-basins as well. It means that the average decreases during (2021-2022) is (-8.42) m, however, the average change in water levels in all three sub-basins in (2022) with (2004) declined by amount of (-46.06) m. The continuous lowering groundwater levels will cause to damage the aquifer system and drought problems in Erbil basin.
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spelling doaj-art-a48800d7e9dd4ff8bcc5486e83499d0b2025-08-20T02:49:19ZengSciendoModelling in Civil Environmental Engineering2784-13912023-03-01181132410.2478/mmce-2023-0002Estimating of Groundwater Recharge in North, Central, and South Basin of ErbilMustafa Jwan Sabah0Mawlood Dana Khider11PhD student, University of Salahaddin, College of Engineering, Civil Engineering Department, Erbil, Iraq2Prof. Dr., lecturer, University of Salahaddin, College of Engineering, Civil Engineering Department, Erbil, IraqGroundwater recharge is the most important element in water planning and management in Erbil basin. The rapid grow in population and development causes to increase their requirement to water demand and consumption. The most important steps in aquifer system is accurate estimation of groundwater recharge. There are many approaches to estimate the recharge. In this study, it is focused on water level method then compare with calculated recharge by empirical equations. The method provides a point value of the recharge calculated from the water level rise in a well multiplied by the specific yield (Sy) of the aquifer. Based on the assumptions that the water-level rise is caused by recharge arriving at the groundwater table (GWT), and also assume that the Sy is constant. The main aim of this study is to estimate the amount of change in groundwater levels over time and the recharge calculation for the study area. The study concluded that the change in groundwater levels between years (2021-2022) is (-0.09, -7.74 and -17.42) m for the Kapran, central and Bashtepa sub-basins respectively. Similarly, the difference between water levels in (2004-2022) are (-32.72, -50.87 and -54.58) m for the same mentioned sub-basins as well. It means that the average decreases during (2021-2022) is (-8.42) m, however, the average change in water levels in all three sub-basins in (2022) with (2004) declined by amount of (-46.06) m. The continuous lowering groundwater levels will cause to damage the aquifer system and drought problems in Erbil basin.https://doi.org/10.2478/mmce-2023-0002erbil basinchange in groundwatergroundwater levelrechargeaquifer system
spellingShingle Mustafa Jwan Sabah
Mawlood Dana Khider
Estimating of Groundwater Recharge in North, Central, and South Basin of Erbil
Modelling in Civil Environmental Engineering
erbil basin
change in groundwater
groundwater level
recharge
aquifer system
title Estimating of Groundwater Recharge in North, Central, and South Basin of Erbil
title_full Estimating of Groundwater Recharge in North, Central, and South Basin of Erbil
title_fullStr Estimating of Groundwater Recharge in North, Central, and South Basin of Erbil
title_full_unstemmed Estimating of Groundwater Recharge in North, Central, and South Basin of Erbil
title_short Estimating of Groundwater Recharge in North, Central, and South Basin of Erbil
title_sort estimating of groundwater recharge in north central and south basin of erbil
topic erbil basin
change in groundwater
groundwater level
recharge
aquifer system
url https://doi.org/10.2478/mmce-2023-0002
work_keys_str_mv AT mustafajwansabah estimatingofgroundwaterrechargeinnorthcentralandsouthbasinoferbil
AT mawlooddanakhider estimatingofgroundwaterrechargeinnorthcentralandsouthbasinoferbil